Home / 1,862.22-2,569.88-1,022.94

Finding the Fourth Proportional to 1,862.22, 2,569.88 and 1,022.94

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Solution

The fourth proportional to 1,862.22, 2,569.88 and 1,022.94 is: 1,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.22 : 2,569.88 = 1,022.94 : x
  2. Step 2: Convert to fraction form
    1,862.22/2,569.88 = 1,022.94/x
  3. Step 3: Cross multiply
    1,862.22x = 2,569.88 × 1,022.94
  4. Step 4: Simplify right side
    1,862.22x = 2,628,833.05
  5. Step 5: Solve for x
    x = 2,628,833.05/1,862.22
  6. Step 6: Final answer
    x = 1,411.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.